An amount of $21,000 is borrowed for 10 years at 3.25% interest, compounded annually. if the loan is paid in full at the end of that period, how much must be paid back?

Last year, a state university received 3,560 applications from boys. of those applications, 35 percent were from boys who lived in other states. part a)how many applications did the university receive from boys who lived in other states? part b)applications to the university from boys represented 40percent of all applications. how many applications did the university receive in all? i don't how to do part b so me and plz tell how you got your answer